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The Eyes
Body StructuresThe Eyes
Question | Answer |
---|---|
The white (opaque) portion of an eye is called the | sclera. |
The transparent anterior portion of a sclera is called the | cornea |
The colored portion of an eye is called the | iris |
The highly vascular layer of an eye is called the | choroid. |
The os in the center of an iris is called a | pupil |
A pupil that decreases in size is called | pupillary constriction. |
A pupil that increases in size is called | pupillary dilation. |
The crystalline structure located posterior to each pupil that focuses (accommodates) light on a retina is called the | crystalline lens. |
The retina is the portion of an eye that | perceives light. |
Each retina is made up of visual receptor cells called | rods and cones. |
Each retina is an extension of an | optic nerve. |
The optic nerves transmit visual impulses to the | thalamus |
The thalamus relays these impulses to the | occipital lobe for interpretation. |
The anterior compartment of an eye is filled with liquid called the | aqueous humor. |
The posterior compartment of an eye is filled with liquid called the | vitreous humor. |